#ifndef cJSON__h
#define cJSON__h

#ifdef __cplusplus
extern "C"
{
#endif

#include <stddef.h>

/* cJSON Types: */
#define cJSON_False 0
#define cJSON_True 1
#define cJSON_NULL 2
#define cJSON_Number 3
#define cJSON_String 4
#define cJSON_Array 5
#define cJSON_Object 6
	
#define cJSON_IsReference 256

/* The cJSON structure: */
typedef struct cJSON {
	struct cJSON *next,*prev;	/* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */
	struct cJSON *child;		/* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */

	int type;					/* The type of the item, as above. */

	char *valuestring;			/* The item's string, if type==cJSON_String */
	int valueint;				/* The item's number, if type==cJSON_Number */
	double valuedouble;			/* The item's number, if type==cJSON_Number */

	char *string;				/* The item's name string, if this item is the child of, or is in the list of subitems of an object. */
} cJSON;

typedef struct cJSON_Hooks {
      void *(*malloc_fn)(size_t sz);
      void (*free_fn)(void *ptr);
} cJSON_Hooks;

/* Supply malloc, realloc and free functions to cJSON */
void cJSON_InitHooks(cJSON_Hooks* hooks);


/* Supply a block of JSON, and this returns a cJSON object you can interrogate. Call cJSON_Delete when finished. */
cJSON * cJSON_Parse(const char *value);
/* Render a cJSON entity to text for transfer/storage. Free the char* when finished. */
char * cJSON_Print(cJSON *item);
/* Render a cJSON entity to text for transfer/storage without any formatting. Free the char* when finished. */
char * cJSON_PrintUnformatted(cJSON *item);
/* Delete a cJSON entity and all subentities. */
void   cJSON_Delete(cJSON *c);

/* Returns the number of items in an array (or object). */
int	  cJSON_GetArraySize(cJSON *array);
/* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */
cJSON * cJSON_GetArrayItem(cJSON *array,int item);
/* Get item "string" from object. Case insensitive. */
cJSON * cJSON_GetObjectItem(cJSON *object,const char *string);
/* Get item "string" from object*/
const char * cJSON_GetObjectCstr(cJSON *object, const char *string);
/* Get item number from object*/
const int cJSON_GetObjectNumber(cJSON *object, const char *string);
/* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */
const char * cJSON_GetErrorPtr(void);
	
/* These calls create a cJSON item of the appropriate type. */
cJSON * cJSON_CreateNull(void);
cJSON * cJSON_CreateTrue(void);
cJSON * cJSON_CreateFalse(void);
cJSON * cJSON_CreateBool(int b);
cJSON * cJSON_CreateNumber(double num);
cJSON * cJSON_CreateString(const char *string);
cJSON * cJSON_CreateArray(void);
cJSON * cJSON_CreateObject(void);

/* These utilities create an Array of count items. */
cJSON * cJSON_CreateIntArray(int *numbers,int count);
cJSON * cJSON_CreateFloatArray(float *numbers,int count);
cJSON * cJSON_CreateDoubleArray(double *numbers,int count);
cJSON * cJSON_CreateStringArray(const char **strings,int count);

/* Append item to the specified array/object. */
void cJSON_AddItemToArray(cJSON *array, cJSON *item);
void cJSON_AddItemToObject(cJSON *object,const char *string,cJSON *item);
/* Append reference to item to the specified array/object. Use this when you want to add an existing cJSON to a new cJSON, but don't want to corrupt your existing cJSON. */
void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item);
void cJSON_AddItemReferenceToObject(cJSON *object,const char *string,cJSON *item);

/* Remove/Detatch items from Arrays/Objects. */
cJSON * cJSON_DetachItemFromArray(cJSON *array,int which);
void cJSON_DeleteItemFromArray(cJSON *array,int which);
cJSON * cJSON_DetachItemFromObject(cJSON *object,const char *string);
void cJSON_DeleteItemFromObject(cJSON *object,const char *string);
	
/* Update array items. */
void cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem);
void cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem);

#define cJSON_AddNullToObject(object,name)	cJSON_AddItemToObject(object, name, cJSON_CreateNull())
#define cJSON_AddTrueToObject(object,name)	cJSON_AddItemToObject(object, name, cJSON_CreateTrue())
#define cJSON_AddFalseToObject(object,name)		cJSON_AddItemToObject(object, name, cJSON_CreateFalse())
#define cJSON_AddNumberToObject(object,name,n)	cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n))
#define cJSON_AddStringToObject(object,name,s)	cJSON_AddItemToObject(object, name, cJSON_CreateString(s))

#ifdef __cplusplus
}
#endif

#endif

/* For Emacs:
 * Local Variables:
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 * tab-width:4
 * c-basic-offset:4
 * End:
 * For VIM:
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 */
